$8.56 – Input current: 500MA, Drop resistance: 1.5m, Use time: 90min~32H, Battery capacity: 500mAh, Size: 6*1.5*1.3cm/2.36*0.59*0.51in, Input voltage: 5V, Color: White / Red / Blue / Fluorescent, Light source: 351 lamp beads, Charging port type: Type-C charging, Net weight: 18g, Charging time: 35min, Operating environment: -10C-40C, Shell material: PC, Waterproof level: IP65.
Use coupon and get XANES M300 GITD-Green Self-luminous 400lm 6500K EDC Keychain Flashlight for $8.56 (from Banggood). You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood ($8.56)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. Price? Looks like a good price to me (average is $9.17).
Link: Banggood product page
Price: $8.56
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): FIN3831, 00c906, BGXM300, BGtorch3, BGAlerabat15, BGtorch7, BGtorch2, BGAlerabatI, BGtorch9, BG8Alerabat, BGOutlight10, BG589b2e, BGd57765
(these codes were not working in latest coupon update, but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for XANES M300 GITD-Green Self-luminous 400lm 6500K EDC Keychain Flashlight? There we go. The lowest price was: $7.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).